Home / 885,778.50-1,222,440.03-503,928.30

Finding the Fourth Proportional to 885,778.50, 1,222,440.03 and 503,928.30

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Solution

The fourth proportional to 885,778.50, 1,222,440.03 and 503,928.30 is: 695,458.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,778.50 : 1,222,440.03 = 503,928.30 : x
  2. Step 2: Convert to fraction form
    885,778.50/1,222,440.03 = 503,928.30/x
  3. Step 3: Cross multiply
    885,778.50x = 1,222,440.03 × 503,928.30
  4. Step 4: Simplify right side
    885,778.50x = 616,022,126,169.85
  5. Step 5: Solve for x
    x = 616,022,126,169.85/885,778.50
  6. Step 6: Final answer
    x = 695,458.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.